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AGRAWAL EXAM CART BIHAR-SOUND (LOUDNESS, PITCH, AUDIBLE AND INAUDIBLE SOUND) AND HUMAN EARS-IMPORTANT QUESTIONS
- What is the loudness of normal breathing?
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- What is length of vocal cords in man?
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- The normal range of vocal cords in women is
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- A vibrating body should oscillate minimum how many times per second to...
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- Which of the following produces noise only?
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- Speed of sound in solids in ………………………. Speed of sound in liquids which...
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- Bats search out prey and fly in dark night by emittin...
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- Which of the following is not a characteristic of musical sound?
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- Sound waves do not travel through
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- One of the following can hear infrasound. This one is:
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- What kind of musical instrument is a sitar?
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- Identify the part which vibrates to produce sound in the instruments. ...
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- The pitch of sound depends on
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- A normal human being can hear sounds in the frequency range of .
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- SI unit of time period is :
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- SI unit of pitch is :
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- A list of mediums is given below. (i) wood (iii) air (ii) wate...
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- The loudness of sound depends on :
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- Which of the following statements are correct? (i) Sound is produced...
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- In order to reduce the loudness of a sound we have to
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